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      Invensys 3511
      Invensys 3511
      Invensys 3511
      Invensys 3511
      Invensys 3511
      Invensys 3511
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      3511

      Eight-Point Pulse Input Module
      In Stock
      Ships by Saturday, September 26
      Fast Shipping Available

      Product Describe：

      Triconex 3511 is an eight-point TMR pulse input module. It measures high-frequency differential sensor signals and supplies voted frequency or RPM data to the control program.

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      Technical specifications Information Technical notes FAQ

      Technical specifications for 3511

      Technical specifications for 3511

      • Manufacturer:
        Invensys
      • Product Category:
        DCS System
      • Spare Part Number:
        3511
      • Estimated shipping dimensions:
        2.2x40.8x39.8cm
      • Weight:
        2.38 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Module type:
        TMR pulse input
      • Input signals:
        8 non-commoned
      • Frequency range:
        20 Hz to 20 kHz
      • Resolution:
        16 bit
      • Accuracy:
        +/-0.01% from 1 kHz to 20 kHz
      • Update rate:
        25 ms typical
      • Input coupling:
        AC coupled; balanced differential
      • Input impedance:
        >8 kOhm; 20 kOhm typical
      • Common-mode range:
        -100 to +100 VDC peak-to-peak
      • Normal-mode range:
        1.5 to 200 V peak-to-peak
      • Overrange protection:
        +/-150 VDC continuous
      • Typical hysteresis:
        150 mV
      • Duty cycle:
        10% to 90%
      • Wave shapes:
        Sine; square; pulse
      • Current input option:
        0-20 mA with 250 Ohm shunt
      • Input indicators:
        1 per point
      • Module indicators:
        PASS; FAULT; ACTIVE
      • Compatible basic panel:
        9753-110
      • Compatible nonincendive panel:
        9793-110
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      Triconex 3511 is an eight-point TMR pulse input module. It measures high-frequency differential sensor signals and supplies voted frequency or RPM data to the control program.
      • Measures rate from eight balanced high-frequency pulse inputs
      • Accepts non-amplified magnetic speed-sensor signals from rotating equipment
      • Counts transitions with microsecond timing and produces frequency or RPM data
      • Uses three isolated channels and voted data for high-integrity speed measurement

      3511 installs with 9753-110 or 9793-110 termination panel, magnetic speed sensor, Tricon I/O chassis and main processors, balanced shielded pulse wiring in an engineered Tricon pulse input configuration.

      The commissioning workflow covers installed-hardware matching, controlled start-up and functional verification for this eight-point pulse input module.

      Important Notice: Confirm the complete 3511 marking, installed-system configuration, field connections and controlled functional test before commissioning or replacement.

      Apter Power 3511 Manuals and Guides
      Apter Power 3511 Product Technical Reference PDFApter Power 3511 Installation and Verification PDF
      The first document is an Apter Power model-specific technical reference. The second supports model-specific installation, configuration and engineering verification.
      Turbine overspeed measurementSupports turbine overspeed measurement through the installed eight-point pulse input module in a configured Tricon system.
      Compressor shaft-speed monitoringUses 3511 for compressor shaft-speed monitoring after the assigned host module, field interface and channel mapping are confirmed.
      Rotating-equipment rate feedbackApplies the 3511 hardware arrangement to rotating-equipment rate feedback with controlled wiring and signal verification.
      High-integrity magnetic pickup acquisitionProvides a defined engineering path for high-integrity magnetic pickup acquisition, including installation checks and final functional proof.
      Read the applicable Triconex installation instructions before work. Verify 3511 and the installed Tricon pulse input configuration.
      1Verify 3511 and the eight assigned speed channels before removing the module.
      2Place the rotating machine and overspeed function in the approved maintenance state.
      3Isolate sensor circuits and record IN+/IN- polarity and shield grounding.
      4Confirm amplitude, frequency, duty cycle, and common-mode voltage remain within limits.
      5Use 9753-110 or the documented nonincendive panel; do not substitute a totalizer-only arrangement.
      6Keep unused pulse-input points shorted as specified for the termination panel.
      7Inject controlled frequencies and compare indicated frequency or RPM on all three channels.
      8Review PASS/FAULT/ACTIVE status and prove overspeed logic before return to service.

      Technical notes

      Technical notes

      Preserve balanced differential wiring and sensor polarity, confirm signal amplitude and frequency inside the published range, and validate RPM scaling plus trip action after installation.

      FAQS

      • What check is required for 20 Hz to 20 kHz signal verification when commissioning 3511?
        Apply a controlled signal or command within the documented range and compare the field result, controller indication, and product diagnostics before normal operation.
      • Which installation error is most important to prevent on 3511?
        Do not interchange 3511 with an adjacent execution or alter its matched 9753-110 or 9793-110 termination panel; the exact electrical, channel, and connector arrangement must be retained.
      • How is 25 ms update and RPM scaling handled during a 3511 replacement?
        Record the installed state first, isolate the associated process function, reproduce only the approved model-specific arrangement, and verify it before energization.
      • Which diagnostics should be reviewed after installing 3511?
        Review the applicable point, module, power, communication, or load indicators for 3511, then confirm the intended role: measures rate from eight balanced high-frequency pulse inputs.
      • Can 3511 be substituted for a similar Triconex model without a configuration review?
        No. Confirm the exact model, companion hardware, signal execution, system version, and approved configuration before any substitution.
      • What evidence should be retained after pulse input versus pulse totalization testing on 3511?
        Retain the full 3511 identity, as-left connections or settings, final diagnostics, measured functional-test result, and authorization to return the affected process function to service.
      • Which installed hardware must be matched before fitting 3511?
        Match 3511 to 9753-110 or 9793-110 termination panel and magnetic speed sensor, then confirm the complete physical marking and assigned Tricon pulse input position.
      • How should an engineer verify balanced magnetic pickup input for 3511?
        Use the approved connection drawing and the model-specific values in Tricon Systems Technical Product Guide; preserve the as-found terminal, connector, polarity, shield, and channel identity.
      Trusted by 5,000+ plants worldwide | Backed by our vast inventory of top-tier control parts, modules and cards, fast shipments are dispatched to cover your urgent needs. ABOUT US >>
      Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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      Invensys 3511
      Invensys 3511
      Invensys 3511
      Invensys 3511
      Invensys 3511
      Invensys 3511